public static bool IsUserAdminOrHigher(this Models.Chat chat, string address)
{
var user = chat.GetUser(address);
return(user != null && user.Rank >= ChatUserRank.Admin);
}
public static bool HasUser(this Models.Chat chat, string address)
{
return(chat.GetUser(address) != null);
}
public static bool IsNormal(this Models.Chat chat)
{
return(chat != null && chat.GetType() == Chat.Type.Normal);
}
public static Models.ChatUser GetUser(this Models.Chat chat, string address)
{
return(chat?.Users?.SingleOrDefault(u => u.Address == address));
}
public static bool IsGroup(this Models.Chat chat)
{
return(chat != null && chat.GetType() == Chat.Type.Group);
}
